ST68 Extension Rod & Guide Tube For Mining Drill
Explore RockHound’s ST68 Extension Rods & Guide Tubes for long-hole mining drill applications. Built from ZK22CrNi3Mo (23CrNiMo) alloy steel with a 20-hour heat treatment, ST68 delivers superior hole straightness, exceptional fatigue resistance, and extended service life.
ST58 Extension Rod | ST58 Drill Tube Wholesale
RockHound offers premium ST58 Drill Tubes for wholesale, crafted from ZK22CrNi3Mo (23CrNiMo) alloy steel. Engineered for long-hole drilling with a 20-hour heat treatment process for maximum durability and hole straightness.
R22-H22-R22(R25) Extension Rod For Drilling
R22-H22-R22(R25) extension rods built for light-duty rock drilling.
Made from ZK22CrNi3Mo (23CrNiMo) alloy steel with 20-hour heat treatment
for superior fatigue resistance. Available in 500–1800mm lengths with R22
& R25 threads.
T51 Extension Round Rod For Long-Hole Drilling
RockHound T51 Extension Round Rod — engineered for underground production drilling and bench drilling. ZK22CrNi3Mo (23CrNiMo) steel, 20-hour deep carburization, CNC precision T51 threading. 52mm diameter, 1830mm length. Built for the demands of hard-rock mining and tunneling.
T45 Extension Round Rod For Long-Hole Drilling
RockHound T45 Extension Round Rod (46mm) — forged from ZK22CrNi3Mo (23CrNiMo) alloy steel with full-surface carburization. Lengths: 1525mm (5′) & 1838mm (6′). Engineered for sublevel stoping, bench drilling & tunneling in medium-to-hard rock.
R28 Threaded Button Bit For Drifting & Tunneling
Shop RockHound R28 Threaded Button Bits for underground drifting & tunneling. 38–43mm diameters, YK05 carbide, 45CrNiMoVa steel body.
T35 Threaded Button Bits For Top Hammer Drilling
RockHound T35 threaded button bits for top hammer drilling. 45CrNiMoV alloy steel body + YK05 tungsten carbide buttons. 20-hour deep carburization. Standard & Retrac designs. 54mm / 57mm / 64mm available. Request a quote today.
T35 Extension Rod For Mining Long Hole Drilling
T35 Extension Rod engineered for long-hole drilling in underground mining and tunneling. Made from ZK22CrNi3Mo alloy steel. Available in 1220–1830mm lengths.
R32 MF Rod For Long Hole Drilling | L 915-1830mm
RockHound R32-D32-R32 MF Rods engineered for long-hole drilling. ZK22CrNi3Mo alloy steel, 915–1830mm lengths, superior fatigue strength & energy transmission. R32 thread compatible.
T38-H32-R32 Drifter Rod With Length 3700-4915mm
T38-H32-R32 Drifter Rods in 3700mm & 4305mm lengths. Manufactured from ZK22CrNi3Mo alloy steel with carburized heat treatment for superior fatigue life in underground tunneling and drifting. OEM/Custom lengths available.